From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
The MC support is needed by the em28xx driver.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/i2c/ov2640.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/ov2640.c b/drivers/media/i2c/ov2640.c
index bd96889..29d4217 100644
--- a/drivers/media/i2c/ov2640.c
+++ b/drivers/media/i2c/ov2640.c
@@ -281,6 +281,9 @@ struct ov2640_win_size {
struct ov2640_priv {
struct v4l2_subdev subdev;
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ struct media_pad pad;
+#endif
struct v4l2_ctrl_handler hdl;
u32 cfmt_code;
struct clk *clk;
@@ -1053,19 +1056,30 @@ static int ov2640_probe(struct i2c_client *client,
ret = priv->hdl.error;
goto err_hdl;
}
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ priv->pad.flags = MEDIA_PAD_FL_SOURCE;
+ priv->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+ ret = media_entity_pads_init(&priv->subdev.entity, 1, &priv->pad);
+ if (ret < 0)
+ goto err_hdl;
+#endif
ret = ov2640_video_probe(client);
if (ret < 0)
- goto err_hdl;
+ goto err_videoprobe;
ret = v4l2_async_register_subdev(&priv->subdev);
if (ret < 0)
- goto err_hdl;
+ goto err_videoprobe;
dev_info(&adapter->dev, "OV2640 Probed\n");
return 0;
+err_videoprobe:
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ media_entity_cleanup(&priv->subdev.entity);
+#endif
err_hdl:
v4l2_ctrl_handler_free(&priv->hdl);
return ret;
@@ -1077,6 +1091,9 @@ static int ov2640_remove(struct i2c_client *client)
v4l2_async_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ media_entity_cleanup(&priv->subdev.entity);
+#endif
v4l2_device_unregister_subdev(&priv->subdev);
return 0;
}
--
2.10.2
--
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